Register
Help
Remember Me?
What's New?
Forum
New Posts
FAQ
Calendar
Community
Member List
Forum Actions
Mark Forums Read
Quick Links
Today's Posts
View Site Leaders
Math Lessons by Subject
Calculators/Solvers
Advanced Search
Member List
tkhunny
If this is your first visit, be sure to check out the
FAQ
by clicking the link above. You may have to
register
before you can post: click the register link above to proceed. To start viewing messages, select the forum that you want to visit from the selection below.
tkhunny
Elite Member
Find latest posts
Find latest started threads
Mini Statistics
Join Date
04-12-2005
Last Activity
Today
10:00 PM
Tab Content
tkhunny's Activity
About Me
Tab Content
All
tkhunny
Photos
New Activity (
)
Please reload this page to view the 200+ new activity items that have been created.
Older Activity
Today,
09:59 PM
tkhunny
replied to a thread
Linear Problem
in
Intermediate/Advanced Algebra
That's a very nice problem statement. What's your plan? Typically, you would find some things that are equivalent. Protein from A + Protein...
see more
1 replies | 13 view(s)
Today,
09:56 PM
tkhunny
replied to a thread
What is the primitive of x^x
in
Calculus
Do you have reason to believe there is a simple answer to this? You may need a series solution. Why are we asking?
see more
2 replies | 16 view(s)
Today,
03:45 PM
tkhunny
replied to a thread
Logic Question
in
Advanced Math
In the programming world, someone must decide what to do when a program encounters 0/0. In some languages, 0/0 = 1, by default. If you do not want...
see more
13 replies | 208 view(s)
Today,
03:34 PM
tkhunny
replied to a thread
please help to solve -- multiply by 2 or divide by 3 - 60 times
in
Arithmetic
That's the spirit. Don't let the monkey play with the calculator.
see more
10 replies | 153 view(s)
Today,
03:32 PM
tkhunny
replied to a thread
Poisson distribution - Number of accidents
in
Probability / Statistics
I'm not quite following your work. It may be okay, I suppose, but once you said "Negative Binomial", I lost interest. In my opinion, there real...
see more
1 replies | 67 view(s)
Today,
03:25 PM
tkhunny
replied to a thread
Sell price based on desired profit
in
Finance/Business Math
I'm not real clear on what it i you are trying to do. Can you provide one of those worked out examples?
see more
2 replies | 23 view(s)
Yesterday,
08:06 PM
tkhunny
replied to a thread
please help to solve -- multiply by 2 or divide by 3 - 60 times
in
Arithmetic
Given the prime factorization, it is rather simple to determine the minimum number of monkey calculations to get there from 12. 60 is an even...
see more
10 replies | 153 view(s)
Yesterday,
08:03 PM
tkhunny
replied to a thread
Calculation question
in
Arithmetic
Any idea how to proceed? How many seconds in one hour?
see more
1 replies | 35 view(s)
Yesterday,
01:08 PM
tkhunny
replied to a thread
please help to solve -- multiply by 2 or divide by 3 - 60 times
in
Arithmetic
Have you considered the prime factorization of each?
see more
10 replies | 153 view(s)
12-11-2018,
01:21 PM
tkhunny
replied to a thread
Problem 3
in
Intermediate/Advanced Algebra
Do you understand the Domain given? Is it continuous? How many points have you plotted in your attempt to solve this?
see more
2 replies | 156 view(s)
12-11-2018,
01:19 PM
tkhunny
replied to a thread
Problem 2
in
Intermediate/Advanced Algebra
Please share with us the definition of a "75th percentile".
see more
1 replies | 141 view(s)
12-11-2018,
10:29 AM
tkhunny
replied to a thread
Surd Problem
in
Intermediate/Advanced Algebra
Thought Question: Did you notice that 1 -\sqrt{3} < 0? Please read my signature. This may be the problem. \dfrac{4-2\sqrt{3}}{\sqrt{3}} =...
see more
15 replies | 335 view(s)
12-10-2018,
05:59 PM
tkhunny
replied to a thread
Polynomial Formula
in
Intermediate/Advanced Algebra
Looks to me like you have the idea. I'll abuse the parameters a bit. Degree 4 f(x) = ax^4 + bx^3 + cx^2 + dx + e a zero at x=2 f(x) =...
see more
6 replies | 226 view(s)
12-09-2018,
09:12 PM
tkhunny
replied to a thread
Vectors Problem
in
Geometry and Trig
1) Don't use imgur. We officially hate all those ads. 2) Maybe the book meant 200N?
see more
1 replies | 23 view(s)
12-09-2018,
09:01 PM
tkhunny
replied to a thread
Need help with an integral
in
Calculus
Welcome to the real world. You have encountered an Elliptic Integral. Numerical evaluation? Series approximation? What are your alternatives?
see more
3 replies | 169 view(s)
12-07-2018,
05:59 PM
tkhunny
replied to a thread
Hard Inverse function f(x) problem
in
Intermediate/Advanced Algebra
You should derive it at least once in your mathematics career. f(h(x)) = x - Definition of Inverse \dfrac{d}{dx}\;f(h(x)) = \dfrac{d}{dx}\;x -...
see more
15 replies | 439 view(s)
12-07-2018,
10:30 AM
tkhunny
replied to a thread
Simple Integral "Find what's wrong" question
in
Calculus
Fair enough, the dx is not TOTALLY irrelevant, but There is NO difference: \int\;f(x)\;dx = \int\;dx\;f(x) = \int\;f(x) The context must be...
see more
7 replies | 352 view(s)
12-06-2018,
10:23 PM
tkhunny
replied to a thread
Simple Integral "Find what's wrong" question
in
Calculus
"dx" is superfluous, anyway, so long as the context is clear. Why do you suppose there is anything "wrong" with it? Really, though, just check...
see more
7 replies | 352 view(s)
12-06-2018,
10:21 PM
tkhunny
replied to a thread
Showing that X1+X2=2X1 for random variable X1, X2 such that X1=X2
in
Probability / Statistics
Can you write out the definition of E? That should get you started.
see more
4 replies | 327 view(s)
12-06-2018,
10:17 PM
tkhunny
replied to a thread
Indefinite Integral Polynomial in Denominator: integrate (2x/(x^2 + 6x + 13)) dx
in
Calculus
^{2} + A^{2} typically, substitute f(x) = A*tan(u) ^{2} - A^{2} typically, substitute f(x) = A*sin(u) ^{2} typically, substitute f(x) =...
see more
7 replies | 337 view(s)
12-06-2018,
05:55 PM
tkhunny
replied to a thread
Precise Definition of a: f(x)=x^2, L=49, c=-7, epsilon=0.4
in
Calculus
Perhaps spend some more time on the Absolute Values and the Squares. Is x < 0, potentially?
see more
2 replies | 301 view(s)
12-06-2018,
05:52 PM
tkhunny
replied to a thread
Showing that X1+X2=2X1 for random variable X1, X2 such that X1=X2
in
Probability / Statistics
Just Mean and Variance? Do you mean IDENTICAL, or just the first two moments?
see more
4 replies | 327 view(s)
12-06-2018,
10:21 AM
tkhunny
replied to a thread
Working out a percentage: What grade do I need in the second part?
in
Arithmetic
\dfrac{Total\;Earned\;(Add\;up\;everything)}{Total\;Possible\;(Add\;up\;everything)}
see more
3 replies | 316 view(s)
12-05-2018,
03:51 PM
tkhunny
replied to a thread
sound measurement percentage in tolerance: graph measuring 1/3 octave sounds
in
Advanced Math
I'm thinking more information is needed. How can a single frequency be both in and out? Perhaps, there is an element of amplitude?
see more
1 replies | 386 view(s)
12-05-2018,
03:45 PM
tkhunny
replied to a thread
Vectors: OAB is triangle, vector OA = a, vector OB = b
in
Geometry and Trig
1) What is it that you are asked to demonstrate or prove? 2) Where did you use the given ratio or the given parallel parts? 3) Can it be that...
see more
2 replies | 441 view(s)
12-04-2018,
02:32 PM
tkhunny
replied to a thread
Calculate Principal of Loan from Payment, Rate, Balloon & Term
in
Finance/Business Math
This is all very wrong. It ALL matters at EVERY point. If you really don't care about the right answer, then maybe you are right - it doesn't...
see more
19 replies | 423 view(s)
12-04-2018,
02:26 PM
tkhunny
replied to a thread
Calculate Principal of Loan from Payment, Rate, Balloon & Term
in
Finance/Business Math
You should hire someone. There was no sarcasm. Just answer the question. You said "long hand". This is typically defined to mean paper and...
see more
19 replies | 423 view(s)
12-03-2018,
11:17 PM
tkhunny
replied to a thread
Optimization Problems
in
Calculus
You'll have to define "efficiently". Does that mean "greatest rate"? Could there be a first derivative in your future?
see more
3 replies | 222 view(s)
12-03-2018,
11:15 PM
tkhunny
replied to a thread
Please help I need to solve this: My Base pay is a 31.44 Overtime is 1.5 (base pay) =
in
Intermediate/Advanced Algebra
Well, until you fix this: Regular hours. - 18 ($31.44) = $754.55 Overtime - 18 ($31.44) = $565.91 You're not going to get anywhere. How do...
see more
2 replies | 261 view(s)
12-03-2018,
11:10 PM
tkhunny
replied to a thread
Calculate Principal of Loan from Payment, Rate, Balloon & Term
in
Finance/Business Math
Can you calculate exponentials "long hand"? Maybe you can.
see more
19 replies | 423 view(s)
More Activity
No More Results
No Recent Activity
About tkhunny
Basic Information
About tkhunny
Location:
USA
Occupation:
Actuary
Signature
"Unique Answers Don't Care How You Find Them." - Many may have said it, but I hear it most from me.
Statistics
Total Posts
Total Posts
9,547
Posts Per Day
1.91
General Information
Last Activity
Today
10:00 PM
Join Date
04-12-2005
Referrals
0